50066503921 has 8 divisors (see below), whose sum is σ = 57314390400. Its totient is φ = 42842499648.

The previous prime is 50066503909. The next prime is 50066503969. The reversal of 50066503921 is 12930566005.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 50066503921 - 2¹³ = 50066495729 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50066501921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5966056 + ... + 5974441.

It is an arithmetic number, because the mean of its divisors is an integer number (7164298800).

Almost surely, 2^50066503921 is an apocalyptic number.

It is an amenable number.

50066503921 is a deficient number, since it is larger than the sum of its proper divisors (7247886479).

50066503921 is a wasteful number, since it uses less digits than its factorization.

50066503921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11941103.

The product of its (nonzero) digits is 48600, while the sum is 37.

The spelling of 50066503921 in words is "fifty billion, sixty-six million, five hundred three thousand, nine hundred twenty-one".